SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)BHARAT HEAVY ELECTRICALS LIMITED RAMACHANDRAPURAM, HYDERABAD
UNIT'S PHONE NO.: CONTACT PERSON'S NAME/DESGN./PHONE NO./E-MAIL/FAX
NO. (FROM PURCHASE DEPT.) SPECIFICATION CUM COMPLIANCE
CERTIFICATION FOR CNC 3D CMM - QTY 1 NO. NOTE :1. Vendor must
submit complete information against clause at Sl.No. 33.0 The
offer, complying this clause, would only be considered. 2. The
vendor should fill the "Offered" Column in compliance to specified
requirements and also "Deviations" Column, where there is deviation
from the requirement. Duly filled specification cum compliance
certificate should be submitted along with the offer. Inadequate,
incomplete, ambiguous or unsustainable information against any of
the clauses of the specifications/requirements shall be treated as
non-compliance. 3. The offer and all documents enclosed with offer
should be in English language only. ADDRESS OF THE SUPPLIER :
TELEPHONE NOS.: FAX NOS.: E-MAIL ADDRESS : SCOPE: SUPPLY, ERECTION
& COMMISSIONING OF CNC 3D CMM - QTY 1 NO COMPLYING WITH
SPECIFICATIONS AS BELOW. SL. NO. DESCRIPTION OF BHEL REQUIREMENT
REQUIRED OFFERED DEVIATION REMARKS Indent No. : Enquiry No. : Due
Date : Supplier Qtn. No.: Date : CG7A0149
1.0 PURPOSE & WORK PIECE MATERIAL 1.1 Purpose: This 3D
Computerised Coordinate Measuring machine is mainly intended for
checking turbine blades and precision components. The turbine blade
checking includes complete dimensional and geometrical checking of
blade profile,shroud and root in line with drawing requirements.
The blade roots may be T-Root, curved fir tree root, hook root,
fork root,dove tail root etc. The profile may be aerofoil section
with banana type bow and twisted profile in three dimensions.
Vendor to comply
Page 1 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED
DEVIATION REMARKS 2.0. Major Technical Specification: Measuring
range, capability and accuracy requirements 2.1. 2.2. 2.3. 2.4.
2.5. 2.6. 2.6.1 2.6.2 Measuring range : X-Axis Measuring range
:Y-Axis Measuring range : Z-axis Maximum Job weight Resolution:
Accuracy as measuring uncertainty independent of position of
spindle Length Measuring Error as per ISO 10360-2 (Temperature
range 18-22 degree C) MPE_E For temperature range 18-24 deg C MPE_E
900 mm or more 1500 mm or more 700 mm or more 1500 Kg or more 0.2
microns or better
1.7+L/333 microns or better 1.7+L/250 microns or better 1.7
microns or better 2.9 microns or better 1.7 microns or better
2.6.2.1 Probing Error as per ISO 10360-2 MPE_P 2.6.2.2
Continuous scanning Probing error as per ISO 10360-4 MPE_THP
2.6.2.3 Form Measurement error acc. EN ISO12181 (VDI/VDE 2617 Part
2.2) MPE_RONt NOTE: above mentioned accuracies are to be checked
with only one probe head. These should be guaranteed in the
following temperature gradients; Ambient Temp: 18-24 Degree C,
Variation per Hour 1Deg K per Hr, Variation per day 2 Deg per K,
variation per meter : 1.0 deg per K per meter 3 MACHINE
CAPABILITIES 3.1 M/C should be capable of complete automatic
inspection of precision components. It should be able to to perform
inspection of all parameters on five faces of a component from
start to finish without operator's intervention in between. 3.2 The
system to be capable of measurement in point to point as well as in
continuous scanning mode with same probe head 3.3 The M/c to be
capable of processing the measurement of all geometrical parameters
including nominal/actual comparison and evaluation of all forms and
position errors e.g. flatness, straightness , roundness,
cylindricity, parallelism etc as per ISO-1101 simultaneously in the
same measurement run 3.4 Reporting of results with a printout
showing details of dimensions as inspected with deviations from
tolerances indicated specifically indicating magnitude of deviation
and tolerance band utilization.
Vendor to comply
Vendor to comply Vendor to comply
Vendor to comply
Page 2 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. 3.5 DESCRIPTION OF BHEL REQUIREMENT Machine to be
capable of complete checking of turbines blades including
dimensions, profile , orientation (Ex,Ey and Eh) and geometrical
characteristics. Representative drawings of blades are enclosed.
(Drg Nos.11051862003, 11010262001, 01030762012, 03032100006,
13018100001, 01030762003, 11030762026, 11030762028, 03032200001,
23032200012, 33031900026, 33032100060, 23031500150, 23031500236,
31074762023, 31074762024, 03530561011, 03530561013, 03530561003,
03530561009 (GT10607) , 03512961007 (GT10459). The blade may or may
not have centres for positioning. The supplier shall offer special
stepped vice/ standard vice/ special type centering one end/
universal vice/tail stock centre for holding and measurement of
above mentioned blades. REQUIRED Vendor to comply OFFERED DEVIATION
REMARKS
4 CONSTRUCTION FEATURES : 4.1 The machine should have rigid
traveling bridge, stationary table type of construction with Vendor
to comply wrap around bearing to provide high torsional rigidity
during bridge movement. X and Z measuring system axis should be of
glass ceramic or other suitable material for high stiffness and
resistance to environment . 4.2 Protection for X & Y guide ways
covered with bellows 4.3 Motorised Drive system with wear proof
guides to achieve minimum stick/slip ratio. Motorised in all axes
with CNC programmed control and manual joystick as well 4.4 Speed
Range selectable in manual mode from 0 to 70 mm/sec or better 4.5
Speed in CNC mode - movement along axes selectable from computer
upto 300 mm/sec or better 4.6 Speed in CNC mode - movement in
vectoral mode selectable from computer Upto 520 mm/sec 4.7
Operating panel 4.7.1 Portable with Joystick & Functional keys
to provide manually controlled motorised movement in all axes. 4.8
Speed control 4.8.1 Should have provision of speed control during
CNC run 4.9 Video images on CD including hard copy explaining the
technical features/ Literature with photographic, drawings
explaining the technical features should be enclosed with the
offer. Vendor to comply Vendor to comply Vendor to comply Vendor to
comply Vendor to comply Vendor to comply Vendor to comply Vendor to
comply Vendor to comply Vendor to confirm
Page 3 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED
DEVIATION REMARKS 5.0 MEASURING SYSTEM : 5.1 Scales : High
Precision double Grating Glass scale/high resolution Aurodur scales
with freedom from temperature variations. 5.2 Scale fixing : Scale
should not be self adhesive backing tape type. It should be inside
an enclosure. 5.3 Probing System : Active Scanning probe system 5.4
Probe Head : Universal six-directional probe head with linear and
torsionally rigid spring parallelogram, electro magnetic coils for
measuring force generation with linear measuring system, suitable
for static zero point, single flank and double /self-centering
measurements. 5.5 Scanning : Should be capable of fast
continuous/uninterrupted scanning measurement with built-in
inductive measuring system. Also should be able to scan in inclined
plane. 5.6 Minimum probe Head deflection range for collision
protection : +_ 2.5 mm or more 5.7 Data Acquisition rate : Min 200
Points per sec in continuous scanning mode 5.8 Scanning speed :
Upto 100 mm/sec or better 5.9 Probe carrying capacity : Upto 500gm
and upto 500 mm extension. Vendor to comply Vendor to comply Vendor
to comply Vendor to comply
Vendor to comply Vendor to comply Vendor to comply Vendor to
comply Vendor to comply
5.10 Collision Protection : Built-in protection should be
provided in the system against the Vendor to comply damages caused
by the collision of the entire probing system including probe
extensions with the component under inspection. Tip
extension,adapters and probe to be collision protected. 5.11
Minimum Probe Diameter : 1.0 mm 5.12 Inbuilt counter weight
Mechanism : For different types of probe combinations with
different weights enabling probe head probe head to come to zero
after changing probe configuration. 5.13 Measuring Force : 0.05 to
1 Newton selectable in magnitude and direction through computer.
Active Measuring force preferred. Vendor to comply Vendor to
comply
Vendor to comply
5.14 Probe Changing : Probe head must have manual/automatic
probe change facility enabling Vendor to comply the operator to use
different probe combinations without recalibration. Supplier to
quote for the necessary accessories allowing user to use minimum 4
probe configuration in one CNC Run without necessity of
re-calibration.
Page 4 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. DESCRIPTION OF BHEL REQUIREMENT REQUIRED Vendor to
comply Vendor to comply OFFERED DEVIATION REMARKS 5.15 Disc Probe :
Manual magnetic clamping of probe tip combination on discs with
probe change repeatability of position less than 1 micron over 200
mm 5.16 Storage of probe calibration data: Software must allow to
store 99 probe configurations calibration data. 6 6.1 COMPUTER
SYSTEM Workstation Pentium IV with minimum configuration, 1 GB RAM,
Speed 3.4 GHz or Vendor to confirm & provide more, 80 GB
IDE-Hard disk, 21 Colour monitor, Graphics , floppy, mouse,
keyboard details CD-RW/DVD, USB Port, USB pen Drive (1 GB Memory)
Combo disc drive and 2 x LAN 10/100 connection for connecting the
machine to BHEL internal LAN network . Printer/ Plotter : High
Speed Deskjet colour printer UPS of NEEL or LIBERT make : 20 minute
back up facility for PC/Work station. APPLICATION SOFTWARE ON UNIX
/ PC BASE ; vendor to provide specific software for measurment of
blade root & profile and general purpose(standard) software
with necessary features and options, if any. Dimensional and
Geometrical Measuring software should have facilities for/ to; Both
manual and CNC operation, it should have component misalignment
compensation in plane and space. Vendor to confirm & provide
details Vendor to confirm Vendor to confirm
6.2 6.3 7.0
7.1
Vendor to comply
7.2 7.3 7.4 7.5 7.6 7.7 7.8
Different evaluations such as distance, Intersection points and
conic sections etc. should Vendor to comply be possible. Prepare
the part programs directly on the work piece as well as based on
the CAD model through offline programming facility. Automatic
generation of probe path and measuring parameters for CNC program
from the CAD model Auto decisions during Alignment and Geometry
measurements through intelligent interface. Built in graphics
interface. CNC part program and parameters for CNC runs are
automatically generated during manual measurement to simplify part
programming . Movement of the machine should be possible in work
piece co-ordinate system. In this case, the probe can be moved
parallel to axis of the work piece for inspection of inclined
holes, deep bores. Vendor to comply Vendor to comply Vendor to
comply Vendor to comply Vendor to comply Vendor to comply
Page 5 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. 7.9 7.10 7.1 8.0 8.1 DESCRIPTION OF BHEL REQUIREMENT
Intermediate results should be available with graphical assistance
and display in CAD window. Possibility to connect CMM computer to
existing company Network through LAN to enable viewing and printing
of reports from any other computer in the network It should be
possible to evaluate form and position errors as per ISO standard
1101 including evaluation with Maximum Material Condition (MMC).
SOFTWARE FOR CURVE MEASUREMENT SHOULD HAVE FACILITY FOR / TO
Digitizing /Measurement of known / unknown 2D Curves & 3D
Curves (Reverse Vendor to comply Engineering) ;Collection of point
data by measurement from unknown curves, - Output of the measured
curve as surface data by compensating the probe diameter,
compatible to CAD software Measurement of 2D Curves & 3D Curves
against nominal data; The nominal data of the Vendor to comply
curve can be input manually by keying in the data from the table
given in the drawing or from the CAD files. Then the measurement is
done against this data. Software to be capable of automatic access
to the strak data (.dat file). and UEB data. (Ref Point No. 9.0 and
sample Strak and UEB data at annexure) Deviation calculation from
nominal & measured curves; The difference between the nominal
and the measured data in the normal vector direction is calculated
as deviation. Actual measured data (scanned) should match (without
referring any staring point, if possible) automatically with
nominal data (from strak data/drawing) irrespective of measurement
done by single/multiple probing and pointing out starting position
of scanning. Best fit calculation of measured curves and output of
deviations. Graphical presentation of nominal curves , measured
curves & deviations. Import of Curve data from CAD systems
& strak data in various formats: VDA, ASCII, PAB & DXF
formats. Export of Curve data in VDA and ASCII format. Vendor to
comply REQUIRED Vendor to comply Vendor to comply Vendor to comply
OFFERED DEVIATION REMARKS
8.20
8.3
Page 6 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. 9.0 9.1 DESCRIPTION OF BHEL REQUIREMENT SOFTWARE FOR
EVALUATION OF TURBINE BLADES (INTERFACE FOR MEASUREMENT FOR TURBINE
BLADES). A suitable Interface shall be provided for automatic
generation of checking programme for measurement of blade root
& profile as per BHEL drawing requirement of dimensions,
profile and orientation to be reported in tabular as well as
graphical format indicating comparison with accepted norms with
best fit option. The interface shall have following features. : a)
The Interface shall be quiped with all internal logics for
transfering the reference setting at specific position of the blade
as per BHEL practice for all type of blades as mentioned at point
no. 9.1(d) upon input of certain values by the operator in the
Interface as may be deemed necessary. b) The Interface shall be
capable of accepting the profile data of blade in following ways :
(i) BHEL supplied strak data format (ii) Profile coordinates in
simple and suitable ASCII (Text) format. (iii) IGES format from
leading CAD system such as IDEAS, Unigraphics, Pro-Engineer, AUTO
CAD etc. --The interface shall automatically convert the above
mentioned format into it's own format to be used for automatic
generation of programme for checking of blade profile at specific
sections/ specific distance from reference surface as shall be
entered by the operator in the interface. c) The Interface shall be
capable of accepting the HUB (Root) & SHROUD data of the blade
in following ways for automatic generation of programme for
checking of predefined dimensions of Hub & Shroud. (i) BHEL
supplied Hub & Shroud data in UEB format. (ii) Manual
definition of complete Hub & Shroud portion of the blade in the
Interface itself. -The Interface shall automatically prepare the
programme for checking of those parameter values/ dimensions as
shall be entered by the operator in a separate file in a suitable
format which shall be referred by the Interface. Vendor to comply
REQUIRED OFFERED DEVIATION REMARKS
Vendor to comply
Vendor to comply
Vendor to comply
Page 7 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED
DEVIATION REMARKS d) The Interface shall be capable of automatic
generation of programme for checking of Vendor to comply following
varieties of blade using BHEL supplied data (Strak & UEB
format) as well as simple text files.: -- Moving Blade with
Rhomboidal shaped Hub & Shroud with T-slot. (Left & Right
hand) -- Guide Blade with Rhomboidal shaped Hub & Shroud with
T-slot/ Hook-slot. (Left & Right hand) -- Moving Blade with
Rhomboidal shaped Hub (T-slot) & Z shaped Shroud with (Left
& Right hand). -- Moving Blade with curved shaped fir tree root
(Left & Right hand). Moving blade T and Double T rhomboid
shaped hub without shroud (Right and Left Vendor to comply hand) --
Moving blade T root rectangular shaped hub without shroud (Right
and Left hand) -- Rotor blade with dovetail root without shroud
-Stator blade with square root without shroud Further the
correctness of the Interface shall be demonstrated by the vendor
through input of all the above mentioned variety of blades during
pre-acceptance at vendor's works as well as at BHEL, Hyderabad
during commissioning of the machine. e) All necessary features
required on the machine to meet the above capabilities for
automatic generation of checking programmes shall be supplied with
the machine. f) The vendor shall provide full technical support and
modification / upgradation of the Interface during the warranty
period of the machine. The technical support shall include trouble
shooting through Telephone, E-mails & visit of their experts if
required. g) The back-up of the Interface shall be provided on CDs.
Vendor to comply
Vendor to comply Vendor to comply
Page 8 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED
DEVIATION REMARKS
10 OPERATING CONDITIONS The machine shall be used on shop floor
with temperature 25 +_ 3 deg C and relative Humidity 60+_ 10%.
Power supply 3 Ph AC 415 V +_ 10% , Frequency 50+_3 Hz. Or Single
Phase AC 220/230V, Frequency 50+_3 Hz. All machine electricals,
control 10.1 instrumentations and paints shall be suitably
Tropicalised. The equipment should function for 24 hours
continuously under above mentioned environmental and input
conditions. 11.0 TROPICALISATION 11.1 All electrical / electronic
equipment shall be tropicalized to work in mentioned operating
condition. Vendor to confirm Vendor to confirm Vendor to confirm
Vendor to confirm
Vendor to confirm
11.2 All electrical & electronic control cabinets &
panels should be dust and vermin proof. 11.3 All electrical
components in the cabinets should be mounted on DIN Rail. 11.4 .
All the cable trays/chains etc. required for laying of cables
should be included in the offer.
Vendor should ensure the proper earthing for the machine and its
peripherals /accessories. Any material requirement for the same
should be informed with foundation 11.5 design/drawings. The vendor
can take earthing connection from the nearest available location of
the production shop. 12.0 AIR COMPRESSOR: 12.1 Individual air
Compressor of suitable capacity equipped with air drier, filtration
unit and dehumidifier preferably oil free shall be supplied.
Compressor shall be procured locally of Ingersoll Rand /Elgi / any
other make with prior approval of BHEL.
Vendor to confirm
Vendor to confirm
12.2 Make & Model of Air Compressor 12.3 Make & Model of
Refrigerated Air Dryer 12.4 Capacity (Flow, Pressure & KW)
vendor to Inform vendor to Inform vendor to Inform
Page 9 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED
DEVIATION REMARKS
13.0 SERVO VOLTAGE STABILIZER Oil / Air Cooled Servo Controlled
Voltage Stabilizer (of reputed Indian make) suitable 13.1 for
complete machine, its drives, controls, PLC etc. for unbalanced
load & supply conditions considering specified power supply
& ambient conditions. 13.2 Make 13.3 Model, Rating &
Input/Output Voltage etc. 13.4 Monitoring device with cut off
facility for under/over output voltage, Devices for load current
measurement, MCCB at input for overload/short circuit
protection.
Vendor to confirm
Vendor to provide Details Vendor to provide Details Vendor to
provide Details
14.0 ULTRA ISOLATION TRANSFORMER Ultra Isolation Transformer (of
reputed Indian make) suitable for complete machine , its 14.1
drives, controls, PLC etc. for unbalanced load & supply
conditions considering specified power supply & ambient
conditions. 14.2 Make 14.3 Model, Rating & Input/Output Voltage
etc. Monitoring device with cut off facility for under/over output
voltage, Devices for load 14.4 current measurement, MCCB /
Equivalent at input for overload/short circuit protection. (Details
to be submitted) 15 15.1 ACCURACY TESTS Quality Plan for detailed
accuracy test procedures as per standard ISO 10360 / VDI 2617 / ISO
14253 to be conducted at suppliers works and repeated at BHEL works
to be submitted. It should include; Maximum permissive volumetric
length measurement error test as per ISO 10360-2,Maximum permissive
probing error test as per ISO 103602,Scanning probing error test as
per ISO 10360-4, form measurement error test as per EN12181. Vendor
to comply Vendor to offer Vendor to infform Vendor to infform
Vendor to infform
15.2
All the Accuracy tests as per submitted test procedures should
be demonstrated to BHEL engineers during pre-acceptance at
suppliers works and during commissioning of the Vendor to confirm
& Submit machine at BHEL, Hyderabad .
Page 10 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED
DEVIATION REMARKS
16.0 MACHINE PRE-ACCEPTANCE AT VENDOR'S WORKS
16.1
BHEL persons deputed for training will be doing pre-acceptance
at vendor's works and give dispatch clearance after satisfaction
from all angles. During pre-acceptance, all accuracy tests
mentioned at point number 15 shall be witnessed by the team. Also
during pre-acceptance vendor shall carry out complete dimensional
checking of the blades mentioned in 20.1 in the supplied Interface
for blade checking as per point 9.1 Further, Vendor to accept &
confirm the vendor shall demonstrate all the features of the
Interface as asked at point no. 9.1(d). The finished blade (one
each) for pre-acceptance shall be handed over to the vendor at
Hyderabad, India and the vendor shall carry the blades to their
works at their cost and responsibility and same shall be returned
back with the supplied machine. 17.0 FOUNDATION Foundation :
Foundation shall be made by BHEL as per suppliers drawings. Three
(03) copies of machine layout and foundation drawings showing
details as below, shall be provided by the supplier within 04 weeks
of placement of order; a. Foundation diagram detailing out complete
concrete construction depth, Load diagram of foundation, Layout of
power linesService requirement for air, water, power supply for
machine shall be 17.1 intimated with foundation details. The
foundation should be designed by the supplier with self leveling
dampers to be provided to neutralize the vibration effect due to
other production machines in nearby area. Special Materials like
foundation bolts, anchoring materials, fixators. Dampers level ling
shoes etc. are to be provided by the supplier Vendor to confirm
Vendor to confirm
18.00 ERECTION & COMMISSIONING Supplier to take full
responsibility for carrying out the erection, start up, testing of
machine, its control & all types of other supplied equipment /
accessories etc. Service requirement like power, air & water
shall be provided by BHEL at only one point to be indicated by
supplier in their foundation / layout drawings. Other requirements
like 18.1 crane(capacity of 10 Ton only) and helping personnel
shall also be provided by BHEL. Details of these requirements
should be informed / discussed by vendor and agreed with BHEL in
advance.In case crane of higher capacity is required,
representative of vendor to hire mobile crane from local sources.
Erection & Commissioning of Voltage stabilizer, Isolation
Transformer , Compressor 18.2 with Air Dryer and other accessories
with all electrical & mechanical connections shall also be
responsibility of the vendor.
vendor to confirm
vendor to confirm
Page 11 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED
DEVIATION REMARKS
Successful proving of BHEL components by the supplier shall be
considered as part of 18.3 commissioning. All tests, as mentioned
at Sl. No. 15.1, 15.2 and testing/demonstration of Machine
Networking etc.shall also be part of the commissioning activity.
Tools, Tackels, Test Mandrels, instruments and other necessary
equipment (including 18.4 Laser equipment) required to carry out
all erection & commissioning activities should be arranged and
brought by the supplier. 18.5 Commissioning spares, required for
commissioning of the machine within stipulated time, shall be
brought by the supplier on returnable basis. Broad Schedule of
Erection and Commissioning shall be submitted within three months
of order. Charges, duration, terms & conditions for Erection
& Commissioning should be furnished in detail separately by
vendor along with offer.
vendor to confirm
vendor to confirm
vendor to confirm
18.6
vendor to confirm
18.7
vendor to confirm
Portion, if any, of the machine, accessories and other supplied
items where paint got rubbed or peeled off during transit or
erection should be repainted and matched with the 18.8 original
adjoining paint by the vendor. For this purpose, the vendor should
supply sufficient quantity of touch-up paint of various
colours/shades of paints used. The vendor shall ensure performing
touching after commissioning but before final acceptance. 19.0
LEVELING & ANCHORING SYSTEM Complete set of anchoring materials
including foundation bolts, nuts, washers, fixators, 19.1 leveling
shoes etc for alignment and fixing of the machine on the floor
should be supplied. Details to be submitted.
vendor to confirm
vendor to confirm
Page 12 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. 20.0 20.1 PROVING OUT After successful completion of
erection and testing at BHEL. Hyderabad supplier shall carry out
complete dimensional checking of components to their specified
design accuracies. using BHEL supplied strak & UEB data in the
supplied interface for blade measurement as per point no. 9.0
Further, all the features of the interface shall be completely
demonstrated and established on the machine. Drawing references of
blades to be included for prooving are
11051862003,11010262001,01030762012,03032100006,13018100001,01030762003,110
30762026,11030762028,03032200001,23032200012,33031900026,33032100060,230315
00150,23031500236,31074762023,31074762024,03530561011,03530561013,035305610
03,03530561009 (GT10607),03512961007 (GT10459). The list of
drawings is also indicated at Annexure I. Vendor shall be fully
responsible for complete checking of blades as per drawing
accuracies and other requirement specified by BHEL to the full
satisfaction. Clarification, if any, required by the vendor
regarding development of interface, prove out should be discussed
and got cleared during initial technical discussions. Vendor to
comply DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED DEVIATION
REMARKS
21.0 TRAINING Training of BHEL Engineers in the following field
for the following period shall be provided (a) Software operation ,
- 2 Weeks (b) Electrical, Electronic & CNC maintenance for
machine & other supplied equipments 21.1 - 2 Weeks (c)
Mechanical & Pneumatic maintenance of the machine & other
supplied equipments 2 Weeks (d) Operation of the machine &
other supplied equipment - 2 Weeks Training charges if any shall be
indicated for week basis for each discipline. The training shall be
imparted at the time of Machine Pre-acceptance tests at vendor's
works and suitable nos. of competent, English speaking experts for
each area shall be pre21.2 arranged by vendor to cover complete
training as well as pre-acceptance during the stipulated period.
21.3 Air-fare, boarding & lodging for the trainees shall be
borne by BHEL.
Vendor to confirm
Vendor to comply
For vendors Information
Page 13 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. 22.0 22.1 SPARES Supplier shall offer Spares for at
least 2 years, two shift trouble free working of machine Spares for
Mechanical, electrical and CNC system of the machine tool as well
as for attachments, accessories and all peripherals will be quoted
with complete item-wise break up of prices and specification and
source of supply of all items. The prices of following spares to be
quoted separately item wise, even if included in spares package;
CNC / PLC SYSTEM; All the electronic cards (P.C.Bs) of the offered
CNC system, Input and Output cards of PLC-1 No. each. DRIVE AND
MOTOR SPARES; Hand held Pendent Tacho- generators and rotor feed
back devices individually priced. Consolidated list of all motors,
their data-sheet indicating torque, and power ratings should be
submitted alongwith the offer. One complete drive consisting of
both controller and power card, One axis feed motor complete.
DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED DEVIATION
REMARKS
Vendor to comply
22.2
*FEEDBACK SPARES; Scanning heads for linear measuring scales-3
Nos., * Standard spares comprising of :Two Nos of each type of
following ; contactors, semi conductors and fuses. Limit and
proximity switches, push buttons and indicating lamps, Pneumatic
valves and selector switches (5 Nos of each type) bearings, filters
etc. *Complete PC system loaded with necessary software, One hard
disc with complete system software and OEM software. Spare add on
cards used with controller if any. *Scanning probe head - 1 no. *A
spare probe kit comprising of 4 sets of probes with diameter
1,2,3,5 mm (total 16 no.s) One number each type of bearing used and
details of the bearing, Two Nos. of Pneumatic filters, One No. each
of the belts in belt drives, Pressure adjusting unit of compressors
if supplied with the machine.
Vendor to comply
22.3
Vendor to comply
Page 14 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. 22.4 DESCRIPTION OF BHEL REQUIREMENT Price List of
spares : Item wise Prices of all spares as quoted should be valid
for at least one year after commissioning and prove out of the
machine. OPTIONAL ITEM Magnetic Auto Probe change magazine with
minimum 4 position and control should be Vendor to submit provided
for automatic probe change of different pre-calibrated and
pre-selected probe configuration/combinations during CNC run, for
fast and uninterrupted measurements. Change of probe configurations
and recalibrations during measurements should be totally
eliminated. Should satisfy all the conditions led down in 4.6 and
all the other machine specification. REQUIRED Vendor to comply
OFFERED DEVIATION REMARKS
23 23
24.0 DOCUMENTATION Five sets of following documents (Hard
copies) in English language should be supplied along with the
machine. 24.1 Operating manuals of Machine & Computer system
24.2 Programming Manuals (Advance & Standard) of Machine &
Computer system Detailed Maintenance manual of machine with all
drawings (preferably laminated) of 24.3 machine
assemblies/sub-assemblies/parts including Electrical / Pneumatic/
Pneumatic, electrical schematic diagram, wiring diagram. 24.4
Maintenance, Interface & commissioning manuals for Computer
system Catalogues, Drawings and Operation & Maintenance Manuals
of all bought out items, wherever applicable. Complete backup of
installed Blade softwares on Memory stick for re-installation as
and when required. Set of instructions /Help guide for
re-installation should also be provided. One additional set of all
the above documentation/machine drawings/machine manuals on CD ROM,
wherever possible. One complete set of documents in best available
condition shall be supplied one month prior to start of training
date for study by BHEL engineers. Vendor to confirm Vendor to
confirm Vendor to confirm Vendor to confirm Vendor to confirm
24.5
Vendor to confirm
24.6 24.7 24.8
Vendor to confirm Vendor to confirm Vendor to confirm
Page 15 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. 25 GUARANTEE 25.1 Vendor should offer performance
guarantee of 24 months for the total system from the date of
successful commissioning / prove out and handing over. Any spare
required during guarantee period shall be arranged by the vendor
free of cost and duty levied is to be borne by the vendor. Vendor
to take full guarantee of the total system including all
accessories supplied alon with the machine. Apart from breakdown
service visit if any, two service visits shall be made by the
vendor, after the first 9 nine months of commissioning and the
second visit after one year of the 25.2 first service visit, to
check the M/C calibration and perform preventive maintenance as
requred. 26 26.1 ANNUAL MAINTENANCE CONTRACT Vendor should offer as
an option Annual Maintenance Contract charges for up keeping the
machine and control with detailed terms and conditions. The offer
is to be submitted separately with and without spares. General
Requirements After sales service: Details of local After sales
service support in India should be provided covering a) Part
programming capabilities and b) After sales Maintenance ADDITIONAL
INFORMATION: Following technical details are to be submitted within
six weeks of ordering ; * Specification of CNC system and Feed
Drive and its make, Model Number and Vendor to submit arrangement
of Power transmission * Clamping arrangement and clamping force
available on all traversing axes * Type of feedback system
available on each axes,Lubrication arrangement of all moving/
rotating parts with system of interlock/ alarm in case of
lubrication failure * Hardness and type of protective covers on the
guide ways of all the axes * Construction details of all machine
assemblies/ sub-assemblies and major machine elements / accesories-
Total connected load of m/s and peripherals.* Total machine weight
and maximum weight of heaviest sub-assembly to be handled during
erection. * Floor space requirement and overall size and height of
the machine. * Requirement of compressed air and other services. *
Colour of machine * Details catalogues, sketches/ photographs of
the machine/accessories & attachments. * A list of quick
wearing parts. Vendor to submit Vendor to submit DESCRIPTION OF
BHEL REQUIREMENT REQUIRED OFFERED DEVIATION REMARKS
Vendor to comply
vendor to confirm
27 27.1 28 28.1
Page 16 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED
DEVIATION REMARKS 29.0 MACHINE NETWORKING 29.1 Machine control
should have necessary hardware & software so that it is ready
for interfacing with gigbit Ethernet Local Area Network with 100MB/
sec. Speed available on machine on UTP cables for NC program &
other related DATA transfer . This network to be connected to Wide
Area Network / Internet. It should cover following features: The
machine should appear as a node just as any other PC in the entire
network (Network Neighbourhood). The program transfer should be
simple copy & paste method just as it is done in case of PCs.
The networking should be capable to transfer programs from/to
machine across the network in CNC mode. The network should be
capable to transfer programs with UNIX based stations. All
necessary Anti-Virus measures shall be incorporated. The above
Networking features shall be completely demonstrated and
established on all the supplied machines by the vendor during
pre-acceptance at vendor's works as well as at BHEL, Hyderabad
during commissioning of the machines. Vendor to comply
29.2 29.3 29.4 29.5 29.6 29.7
Vendor to comply Vendor to comply Vendor to comply Vendor to
comply Vendor to comply Vendor to comply
30.00 SAFETY ARRANGEMENTS Following safety features in addition
to other standard safety features should be provided on the
machine: Machine should have adequate and reliable safety
interlocks / devices to avoid damage to the machine, work piece and
the operator due to the malfunctioning or mistakes. 30.1 Machine
functions should be continuously monitored and alarm / warning
indications through lights/ alarm number with messages (on CNC
display and panels) should be available. 30.2 A detailed list of
all alarms / indications provided on machine should be submitted by
the supplier. Vendor to confirm
Vendor to confirm
Vendor to confirm
All the pipes, cables etc. on the machine should be well
supported and protected. These 30.3 should not create any hindrance
to machine operator's movement for effective use of machine. 30.4
All the rotating parts used on machine should be statically &
dynamically balanced to avoid undue vibrations & noise.
Vendor to confirm
Vendor to confirm Vendor to confirm
30.5 Emergency Switches at suitable locations as per
International Norms should be provided.
Page 17 of 20
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. DESCRIPTION OF BHEL REQUIREMENT REQUIRED OFFERED
DEVIATION REMARKS
31.0 FINAL MACHINE ACCEPTANCE 31.1 31.2 31.3 31.4 31.5 Final
acceptance shall be made by BHEL after completion of following
activities at BHEL Hyderabad: Demonstration of specified/offered
Geometrical accuracies as per test chart/standard after machine
commissioning. Demonstration of specified/offered Positioning
accuracies as per VDI-DGQ/3441 and specified values after machine
commissioning. Demonstration of all features of the Machine,
Control system & Accessories to the satisfaction of BHEL for
efficient and effective use of the machine. Training of BHEL
machine operators in operation of complete machine, accessories etc
by the supplier's experts / engineers before & during prove out
at BHEL works. vendor to confirm vendor to confirm vendor to
confirm vendor to confirm vendor to confirm vendor to confirm
vendor to confirm
31.6 Prove out of BHEL components as per point no. 20.0 31.7
Demonstration and establishment of complete Inspection of job, it's
report generation as well as it's printing, to the satisfaction of
BHEL for efficient and smooth usage
32.00 PACKING 32.1 Sea worthy & rigid packing for machine,
control and other supplied items to avoid any damage/loss in
transit. Vendor to confirm
33.0 QUALIFYING CONDITIONS 33.1 Only those vendors should quote
who have supplied and commissioned at least one number CMM of same
or higher capacity compared to specified in clause numbers 2.1 to
2.6 in last 10 years and the supplied machine is presently working
satisfactorily for more than one year after commissioning. The
vendor should have supplied a machine for complete measurement of
blades for rotating machines (Root, profile, shroud and orientation
measurements). However, if such a machine had been supplied to
BHEL, then such machine should be presently working satisfactorily
for more than six months after its commissioning and acceptance in
BHEL. Vendor to comply
The following information should be submitted by the vendor
about the companies where similar machines have been supplied. This
is required for all vendors for qualification of their offer. 33.2
Name & complete address of the customer / company, where such
machine(s) is(are) installed. Vendor to submit Vendor to submitPage
18 of 20
33.3 Year of Commissioning of the supplied machine.
SPECIFICATION CUM COMPLIANCE CERTIFICATION FOR CNC 3D CMM (1
NO)SL. NO. 33.4 DESCRIPTION OF BHEL REQUIREMENT Broad
specifications of the supplied machine i.e. Model, Blade machining
length, accessories supplied, features of Software supplied etc.
Application for which the machine has been supplied. Vendor to also
confirm that the supplied machine is being used for measurement of
finished steam turbine blades. REQUIRED Vendor to submit OFFERED
DEVIATION REMARKS
33.5
Vendor to submit
Performance certificate (with specific mention of model of the
machine , availability of 33.6 pallet type job changer &
Software as per BHEL requirement ) from the customer's) regarding
satisfactory performance of the machine supplied to them. 33.7
Name, designation, address, Phone no., FAX no. and email address of
the issuer of the Performance Certificate/ contact person of the
customer.
Vendor to submit
Vendor to submit
BHEL reserves the right to verify the information provided by
vendor. In case the 33.8 information provided by vendor is found to
be false/incorrect, the offer shall be rejected.
Vendor to submit
Page 19 of 20
ANNEXURE 1
Sl No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
LIST OF DRAWINGS FOR 3D CMM PROVE-OUT Drg No. Desscription
Remarks 11051862003 11010262001 001030762012 03032100006
13018100001 01030762003 11030762026 11030762028 03032200001
23032200012 33031900026 33032100060 23031500150 23031500236
31074762023 31074762024 03530561011 03530561013 03530561003
03530561009 GT10607 03512961007 GT10459 GUIDE BLADE IP 20 L MOVING
BLADE IP 18L LP MOVING BLADE1L LP MOVING BLADE 2 LP GUIDE BLADE 2
MOVING BLADE 3L MOVING BLADE 1L MOVING BLADE 1R MOVING BLADE 3L
BOSS ON PROFILE (MOVING BLADE 3L) LP MOVING BLADE SK 57-1 LP MOVING
BLADE SK80-2 HP MOVING BLADE T7-12.5 HP MOVING BLADE T4-50 GUIDE
BLADE T4-32 JOINT BLADE T4-32 BLADE ROTOR STAGE 1 BLADE ROTOR STAGE
3 BLADE ROTOR STAGE 6 BLADE ROTOR STAGE 17 NOTES, GT COMPR ROTOR
BLADE MFG VANE STATOR STAGE 6 COMPRESSOR BLADE (R17) DRAWING NOTES
F GUIDE BLADE F- MOVING BLADE 5 SQM Z SHROUD SL 2.2 SQM SL 2.2 SQM
3.2 SQM 3L 3.2 SQM 1L 3.2 SQM 1R 2.8 SQM 3L 2.8 SQM 3L ST BLADES ST
BLADES ST BLADES ST BLADES ST BLADES ST BLADES GT BLADES GT BLADES
GT BLADES GT BLADES GT BLADES GT BLADES GT BLADES
21
Note :(1) Programs shall be suitable for both L and R executions
for drawings listed at Sl No.s 1 to 15. (2) Programs shall be
suitable for joint blade or lock blade executions (as applicable)
for Sl No.s 1 to 15. (3 ) Drawings are representative types only.
Blades will be of same shape, but different dimensions. (4) For
blades listed at sl no 1 to 5, the data entry shall be in both
STRAK-UEB mode and manual mode. (5) For blades listed at sl No 6 to
20, the data entry shall be in manual mode only.
